Submitted by sneha on Sun, 04/15/2018 - 05:54
In JPA, the EntityManager controls the lifecycle of the entities.
Different ORM vendors provide its own entity manager, which is usually a wrapper around the core API and thus supports the JPA programming interfaces, life cycles and query language.
You obtain the EntityManager from an entity manager factory. EntityManagerFactory has the same role as SessionFactory in Hibernate. [node:read-more:link]
Submitted by sneha on Sun, 04/15/2018 - 05:53
Before working with hibernate in your code, you will need to configure Hibernate with information regarding your database such as host, port, credentials etc. You also need to create mappings that tell hibernate how to map the state of a Java entity to the columns of its corresponding table.
We can configure various hibernate features either through annotations or through xml files (hbm files). Preferred approach currently is annotations.
You can configure Hibernate mainly in three ways: [node:read-more:link]
Submitted by sneha on Sun, 04/15/2018 - 05:52
We will write a simple hibernate application to get started with hibernate.
Before starting, you should: [node:read-more:link]
Submitted by sneha on Sun, 04/15/2018 - 05:48
Submitted by heartin on Mon, 04/02/2018 - 00:42
Maven is primarily a build automation tool used for building mostly Java projects and is maintained by the Apache Software Foundation. Maven, a Yiddish word meaning accumulator of knowledge, was originally started in Jakarta Turbine project.
Maven’s objectives (as per maven.apache.org) are:
Making the build process easy
Providing a uniform build system
Providing quality project information